| All Country Flags of the World | 0 | - | 5.00 | 3,052,022 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,388,896 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,014,689 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 679,936 |
| Flags with Crescents | 0 | - | 4.98 | 146,250 |
| Country Flag Trivia | 0 | - | 4.81 | 45,235 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,973 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,523 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,105 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,879 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,310 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,225 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,335 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,761 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,426 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,533 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,403 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,626 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,042 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,703 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,162 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,161 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,671 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,085 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,525 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,755 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,633 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,365 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,672 |
| Flags to Languages | 0 | - | 4.95 | 160,547 |
| Former Flags | 0 | - | 4.97 | 82,798 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,000 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,419 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 315,718 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,129 |
| Random Flag to Country | 0 | - | 4.99 | 515,470 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,050 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,232 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,765 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,869 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,420 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,606 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,948 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,846 |
| World Coats of Arms | 0 | - | 4.99 | 56,632 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,578 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,117 |
| Similar Flags #1 | 0 | - | 4.75 | 112,558 |
| Similar Flags #2 | 0 | - | 4.78 | 114,741 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,651 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,508 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,407 |
| Emoji Flags | 0 | - | 4.34 | 41,084 |
| Countries by Road Signs | 0 | - | 4.98 | 46,234 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,753 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,313 |
| Select the World Flags | 0 | - | 4.31 | 33,850 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,894 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,708 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,846 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,846 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,927 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,876 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,205 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,666 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,524 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,981 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,210 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,966 |
| Name a Valid Country Flag | 0 | - | 4.56 | 49,014 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,065,540 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,383 |
| Pixelated World Map | 0 | - | 5.00 | 130,493 |
| Flags of Africa Quiz | 0 | - | 4.99 | 395,884 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 68,072 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,874 |
| European Cities by Picture #2 | 0 | - | 4.44 | 35,123 |
| Boundary Waters | 0 | - | 4.93 | 81,988 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,321 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,021 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,508 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,426 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,904 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,049 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,353 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,091 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,324 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,985 |
| Geography by Picture - H | 0 | - | 4.51 | 55,595 |
| Geography by Picture - N | 0 | - | 4.46 | 39,919 |
| Geography by Picture - R | 0 | - | 4.54 | 38,912 |
| Geography by Picture - T | 0 | - | 4.57 | 55,216 |
| Flags of Oceania | 0 | - | 5.00 | 220,357 |
| Three Band Flags of Europe | 0 | - | 4.97 | 173,177 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,458 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,368 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,906 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,722,451 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,765 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 333,903 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 375,247 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,558 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,428 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,016 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,260 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,037 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,285 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,657 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,231 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,561 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,526 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,476 |
| World Capitals Quiz | 0 | - | 5.00 | 4,571,348 |
| Members of the Arab League | 0 | - | 4.86 | 66,133 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,367 |
| Himalayan Countries | 0 | - | 4.94 | 108,297 |
| Andean Countries | 0 | - | 4.91 | 60,118 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,296 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,795 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,393 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,819 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,218 |
| Danube Countries | 0 | - | 4.96 | 57,203 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,215 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,283 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,659 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,362 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,956 |
| European Landlocked Countries | 0 | - | 4.99 | 137,011 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,769 |
| Countries with the Most Species | 0 | - | 4.99 | 89,848 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,311 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,004 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,307 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,034 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,869 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,106 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,890 |
| Countries in the Alps | 0 | - | 4.84 | 103,816 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,404 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,432 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,259 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,342 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,873 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,314 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,513 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,756 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,680 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,386 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,146 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,006 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 37,018 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,547 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,638 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,215 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,460 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,938 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,007 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,247 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,289 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,813 |
| Largest Countries By Category | 0 | - | 4.97 | 146,366 |
| Countries by Countries | 0 | - | 4.95 | 55,558 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,166,392 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,496 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,187 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,115 |
| All Countries by Population With a Map | 0 | - | 4.99 | 64,855 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,940 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,574 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,225,393 |
| Merged Countries #2 | 0 | - | 4.96 | 90,717 |
| Merged Countries #4 | 0 | - | 4.87 | 85,722 |
| Merged Countries #6 | 0 | - | 4.90 | 66,202 |
| Merged Countries #7 | 0 | - | 4.94 | 75,401 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,218 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,705 |
| Geography by Picture - A | 0 | - | 4.35 | 57,338 |
| Geography by Picture - B | 0 | - | 4.37 | 52,825 |
| Geography by Picture - D | 0 | - | 4.13 | 43,476 |
| Geography by Picture - F | 0 | - | 4.29 | 48,642 |
| Geography by Picture - G | 0 | - | 4.39 | 45,684 |
| Geography by Picture - J | 0 | - | 4.14 | 36,639 |
| Geography by Picture - C | 0 | - | 4.28 | 54,571 |
| Geography by Picture - L | 0 | - | 4.34 | 56,220 |
| Geography by Picture - M | 0 | - | 4.11 | 38,631 |
| Geography by Picture - P | 0 | - | 4.26 | 40,442 |
| Geography by Picture - S | 0 | - | 4.35 | 44,896 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,516 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,859 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,040 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,819 |
| Longest International Borders | 0 | - | 4.99 | 236,541 |
| Countries with Three Borders | 0 | - | 4.96 | 32,096 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,807 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,324 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,775 |
| Demonym of Every Country | 0 | - | 4.91 | 50,749 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,810 |
| Islands by Picture | 0 | - | 4.29 | 93,985 |
